YEAR MONTH MEAN STDEV COUNT 2002 1 nan nan 0 2002 2 nan nan 0 2002 3 nan nan 0 2002 4 nan nan 0 2002 5 nan nan 0 2002 6 nan nan 0 2002 7 6.12433e+01 3.67430e-01 512 2002 8 5.81744e+01 8.92372e-01 277 2002 9 5.26889e+01 1.88893e+00 472 2002 10 4.61209e+01 2.23157e+00 752 2002 11 3.86432e+01 1.84959e+00 749 2002 12 3.44268e+01 4.08571e-01 744 2003 1 3.63319e+01 1.41891e+00 780 2003 2 4.28751e+01 1.91491e+00 807 2003 3 5.14331e+01 2.15329e+00 728 2003 4 5.85578e+01 1.13244e+00 356 2003 5 6.11020e+01 5.64372e-01 376 2003 6 6.17843e+01 1.35668e-02 192 2003 7 6.12646e+01 3.79736e-01 240 2003 8 5.89111e+01 9.21823e-01 321 2003 9 5.37633e+01 1.77736e+00 395 2003 10 4.59719e+01 2.87820e+00 560 2003 11 3.76253e+01 1.26329e+00 504 2003 12 3.45716e+01 4.37116e-01 466 2004 1 3.69590e+01 1.13307e+00 554 2004 2 4.39022e+01 2.47421e+00 719 2004 3 5.26794e+01 2.33930e+00 646 2004 4 5.83816e+01 1.16803e+00 432 2004 5 6.15660e+01 7.57175e-01 320 2004 6 6.19252e+01 1.51815e-01 517 2004 7 6.14575e+01 3.43508e-01 429 2004 8 5.85654e+01 1.17793e+00 610 2004 9 5.10533e+01 1.22581e+00 144 2004 10 4.55099e+01 2.61025e+00 531 2004 11 3.86003e+01 1.65450e+00 608 2004 12 3.44352e+01 3.88442e-01 386 2005 1 3.74414e+01 1.29140e+00 796 2005 2 4.31997e+01 1.78173e+00 666 2005 3 5.21610e+01 2.50180e+00 565 2005 4 5.81467e+01 1.10539e+00 549 2005 5 6.18137e+01 3.68994e-01 384 2005 6 6.18529e+01 1.58606e-01 320 2005 7 6.13601e+01 4.76357e-01 256 2005 8 5.85703e+01 1.86777e+00 614 2005 9 5.38630e+01 1.52710e+00 514 2005 10 4.58501e+01 2.71338e+00 558 2005 11 3.88883e+01 1.71424e+00 679 2005 12 3.44402e+01 4.00041e-01 1007 2006 1 3.60402e+01 1.56814e+00 774 2006 2 4.40997e+01 2.00167e+00 792 2006 3 5.14396e+01 2.36210e+00 785 2006 4 5.83518e+01 1.42013e+00 523 2006 5 6.13797e+01 4.76134e-01 576 2006 6 6.19658e+01 1.18795e-01 532 2006 7 6.10612e+01 3.29321e-01 317 2006 8 5.95403e+01 9.35002e-01 314 2006 9 5.22324e+01 1.66458e+00 423 2006 10 4.58226e+01 1.82274e+00 487 2006 11 3.79794e+01 1.35235e+00 422 2006 12 3.46627e+01 4.24017e-01 251 2007 1 3.68922e+01 1.37566e+00 477 2007 2 4.42321e+01 2.26308e+00 469 2007 3 5.03665e+01 2.09756e+00 397 2007 4 5.81863e+01 1.23958e+00 350 2007 5 6.08444e+01 5.67847e-01 340 2007 6 6.19912e+01 1.76354e-01 363 2007 7 6.12671e+01 4.54504e-01 396 2007 8 5.98901e+01 6.33826e-01 299 2007 9 5.27414e+01 2.48839e+00 445 2007 10 4.59565e+01 1.62334e+00 429 2007 11 3.94930e+01 1.22623e+00 605 2007 12 3.43636e+01 3.92457e-01 546 2008 1 3.69857e+01 1.65329e+00 821 2008 2 4.43807e+01 2.17523e+00 470 2008 3 5.15992e+01 2.54653e+00 420 2008 4 5.79183e+01 1.26866e+00 460 2008 5 6.14816e+01 4.54286e-01 500 2008 6 6.18927e+01 1.13461e-01 429 2008 7 6.04592e+01 1.89405e-01 253 2008 8 5.95987e+01 5.04809e-01 334 2008 9 5.27654e+01 1.67590e+00 313 2008 10 4.64940e+01 2.55029e+00 437 2008 11 3.77488e+01 1.61023e+00 661 2008 12 3.43394e+01 3.42104e-01 600 2009 1 3.73833e+01 1.69423e+00 652 2009 2 4.39825e+01 1.66075e+00 432 2009 3 5.07531e+01 1.90744e+00 631 2009 4 5.79549e+01 1.13766e+00 397 2009 5 6.11525e+01 5.23477e-01 511 2009 6 6.18763e+01 1.34130e-02 256 2009 7 6.10647e+01 3.96490e-01 313 2009 8 5.94204e+01 1.11129e+00 307 2009 9 5.37827e+01 2.20145e+00 353 2009 10 4.66425e+01 2.27890e+00 678 2009 11 3.79104e+01 1.56651e+00 613 2009 12 3.45053e+01 3.34133e-01 552 2010 1 3.60056e+01 1.58334e+00 328 2010 2 4.39022e+01 2.08929e+00 652 2010 3 5.25064e+01 2.26021e+00 538 2010 4 5.79483e+01 1.25364e+00 552 2010 5 6.13646e+01 4.98496e-01 481 2010 6 6.18834e+01 1.30487e-01 594 2010 7 6.10789e+01 4.62716e-01 516 2010 8 5.93924e+01 5.36884e-01 283 2010 9 5.39046e+01 1.43606e+00 257 2010 10 4.61330e+01 2.49072e+00 787 2010 11 3.85022e+01 1.51750e+00 768 2010 12 3.44451e+01 3.90060e-01 948 2011 1 3.60273e+01 1.46415e+00 627 2011 2 4.39451e+01 2.32946e+00 1063 2011 3 5.15534e+01 2.34621e+00 793 2011 4 5.83076e+01 1.16983e+00 552 2011 5 6.11785e+01 4.76637e-01 447 2011 6 6.19763e+01 1.09113e-01 440 2011 7 6.11462e+01 4.09892e-01 423 2011 8 6.01493e+01 1.55368e-01 70 2011 9 5.33903e+01 1.28023e+00 573 2011 10 4.59870e+01 1.76357e+00 360 2011 11 3.89616e+01 1.90637e+00 837 2011 12 3.44808e+01 4.97765e-01 891 2012 1 3.62190e+01 1.26457e+00 593 2012 2 4.52874e+01 1.30036e+00 427 2012 3 5.11285e+01 2.82960e+00 456 2012 4 5.75198e+01 1.23203e+00 514 2012 5 6.13738e+01 5.04234e-01 577 2012 6 6.19317e+01 1.70885e-01 298 2012 7 6.10714e+01 6.20527e-01 255 2012 8 5.89651e+01 9.78312e-01 381 2012 9 5.44649e+01 1.96095e+00 658 2012 10 4.61482e+01 2.26040e+00 484 2012 11 3.88108e+01 1.74262e+00 798 2012 12 3.42011e+01 1.31483e-01 271 2013 1 3.68280e+01 1.61140e+00 347 2013 2 4.32704e+01 2.26147e+00 661 2013 3 5.22201e+01 2.59181e+00 714 2013 4 5.79836e+01 1.08523e+00 232 2013 5 6.12527e+01 5.49970e-01 432 2013 6 6.19612e+01 5.69811e-02 171 2013 7 6.09969e+01 4.66848e-01 432 2013 8 5.88466e+01 1.18237e+00 195 2013 9 5.24706e+01 1.74131e+00 350 2013 10 4.61517e+01 1.87862e+00 615 2013 11 3.67587e+01 3.46305e-01 213 2013 12 3.45571e+01 5.26775e-01 381 2014 1 3.70366e+01 1.55193e+00 476 2014 2 4.33392e+01 1.97335e+00 685 2014 3 5.08989e+01 2.12224e+00 856 2014 4 5.81661e+01 1.42976e+00 488 2014 5 6.09231e+01 5.40144e-01 271 2014 6 6.18259e+01 1.35320e-01 541 2014 7 6.09434e+01 5.23652e-01 325 2014 8 5.93008e+01 9.77172e-01 489 2014 9 5.29642e+01 1.10681e+00 98 2014 10 4.54919e+01 2.38952e+00 697 2014 11 3.85338e+01 1.88052e+00 722 2014 12 3.43237e+01 2.90628e-01 664 2015 1 3.72298e+01 1.91409e+00 624 2015 2 4.36927e+01 2.13208e+00 682 2015 3 5.13617e+01 2.42245e+00 855 2015 4 5.68480e+01 1.36062e+00 208 2015 5 6.10598e+01 4.66954e-01 496 2015 6 6.18468e+01 9.79841e-02 488 2015 7 6.11938e+01 3.76000e-01 462 2015 8 5.92901e+01 7.49904e-01 464 2015 9 5.39190e+01 1.51085e+00 424 2015 10 4.57137e+01 2.50634e+00 769 2015 11 3.81494e+01 1.82431e+00 496 2015 12 3.41402e+01 1.86244e-01 456 2016 1 3.67323e+01 1.36387e+00 128 2016 2 4.52438e+01 1.65815e+00 519 2016 3 5.25572e+01 2.27306e+00 513 2016 4 5.73519e+01 1.30412e+00 449 2016 5 6.12894e+01 5.18520e-01 510 2016 6 6.18655e+01 9.22525e-02 442 2016 7 6.10510e+01 4.85431e-01 425 2016 8 5.95331e+01 1.05500e+00 256 2016 9 5.31668e+01 1.35743e+00 398 2016 10 4.57510e+01 1.51660e+00 442 2016 11 3.82332e+01 1.50363e+00 708 2016 12 3.45616e+01 3.64388e-01 272 2017 1 3.70417e+01 1.12824e+00 443 2017 2 4.36231e+01 2.24039e+00 846 2017 3 5.13762e+01 1.84652e+00 390 2017 4 5.81328e+01 1.53710e+00 371 2017 5 6.13537e+01 6.63203e-01 489 2017 6 6.18280e+01 1.15858e-01 397 2017 7 6.13209e+01 4.92939e-01 287 2017 8 5.90841e+01 9.99195e-01 530 2017 9 5.29373e+01 1.60378e+00 480 2017 10 4.47057e+01 2.36080e+00 293 2017 11 3.88215e+01 1.90142e+00 956 2017 12 3.43559e+01 3.80581e-01 1045 2018 1 3.66657e+01 1.84572e+00 588 2018 2 4.31095e+01 2.26222e+00 819 2018 3 5.13504e+01 2.44041e+00 623 2018 4 5.82031e+01 1.47367e+00 641 2018 5 6.05077e+01 2.43818e-01 73 2018 6 6.19328e+01 1.99933e-01 137 2018 7 6.13292e+01 3.61166e-01 517 2018 8 5.89069e+01 8.17511e-01 323 2018 9 5.27965e+01 5.06269e-01 251 2018 10 4.50876e+01 2.20184e+00 609 2018 11 3.89988e+01 1.45605e+00 565 2018 12 3.44575e+01 3.63150e-01 622 2019 1 3.62181e+01 1.45264e+00 503 2019 2 4.38105e+01 2.73080e+00 685 2019 3 5.20427e+01 2.90694e+00 581 2019 4 5.79897e+01 1.30168e+00 582 2019 5 6.10252e+01 6.48586e-01 412 2019 6 6.19783e+01 1.77325e-01 768 2019 7 6.10676e+01 3.36927e-01 342 2019 8 5.92123e+01 1.29856e+00 460 2019 9 5.32866e+01 1.75163e+00 488 2019 10 4.55086e+01 1.97896e+00 509 2019 11 3.83232e+01 2.24100e+00 620 2019 12 3.45239e+01 7.29809e-01 512 2020 1 3.63385e+01 1.72222e+00 808 2020 2 4.40302e+01 2.64412e+00 480 2020 3 5.22621e+01 2.22308e+00 674 2020 4 5.78859e+01 9.73908e-01 384 2020 5 6.12321e+01 6.66722e-01 425 2020 6 6.18134e+01 5.36177e-02 238 2020 7 6.13757e+01 4.47583e-01 452 2020 8 5.91625e+01 1.09103e+00 658 2020 9 5.31368e+01 2.10765e+00 355 2020 10 4.52968e+01 2.81409e+00 331 2020 11 3.74297e+01 1.46270e+00 384 2020 12 3.43375e+01 4.13307e-01 480 2021 1 3.68696e+01 1.74022e+00 703 2021 2 4.40963e+01 2.14960e+00 612 2021 3 5.12692e+01 2.45443e+00 779 2021 4 5.87262e+01 1.09785e+00 424 2021 5 6.13509e+01 6.03417e-01 614 2021 6 6.18640e+01 4.41543e-02 319 2021 7 6.11073e+01 3.45240e-01 604 2021 8 5.94931e+01 7.18332e-01 291 2021 9 5.14938e+01 1.73437e+00 530 2021 10 4.54058e+01 2.00753e+00 422 2021 11 3.80165e+01 1.82381e+00 637 2021 12 3.44092e+01 3.81266e-01 805 2022 1 3.62824e+01 1.57839e+00 640 2022 2 4.40184e+01 2.23597e+00 665 2022 3 5.18206e+01 2.57345e+00 442 2022 4 5.96853e+01 1.85018e-03 64 2022 5 6.09476e+01 5.21562e-01 561 2022 6 6.19135e+01 1.07782e-01 362 2022 7 6.15553e+01 5.73418e-02 196 2022 8 5.81713e+01 8.10302e-01 448 2022 9 5.37593e+01 2.15593e+00 664 2022 10 4.61608e+01 2.83926e+00 894 2022 11 3.84801e+01 2.13710e+00 586 2022 12 3.42274e+01 6.60498e-01 453 2023 1 3.59587e+01 1.49044e+00 895 2023 2 4.33340e+01 2.30080e+00 742 2023 3 5.10257e+01 2.69456e+00 664 2023 4 5.78711e+01 1.29180e+00 444 2023 5 6.10529e+01 5.41795e-01 584 2023 6 6.19139e+01 7.46640e-02 308 2023 7 6.12415e+01 6.16119e-01 238 2023 8 5.95339e+01 9.51964e-01 369 2023 9 5.31224e+01 1.50848e+00 384 2023 10 4.60980e+01 1.39226e+00 459 2023 11 3.78587e+01 1.46860e+00 570 2023 12 3.43667e+01 3.13471e-01 259 2024 1 3.81998e+01 1.46425e+00 282 2024 2 4.49615e+01 2.07543e+00 635 2024 3 5.12979e+01 2.07094e+00 566 2024 4 5.58490e+01 1.20992e-02 52